FA7616CP Datasheet, PDF (1/5 Pages) Fuji Electric – Bipolar IC For Switching Power Supply Control

FA7616CP(E)(V)
Bipolar IC
For Switching PowerFSAu7p6p1l6yCCPo(En)t(rVo)l
s Description
The FA7616CP(E)(V) is a bipolar control IC having two
channels of PWM-type switching regulator control circuits.
With this IC, a DC-to-DC converter can be easily implemented
for a minimum input voltage of 1.4V.
s Dimensions, mm
TSSOP-16
16
9
s Features
• Input voltage from 1.4V (VCC = 1.4 to 12V)
• Open-collector output
• Wide operating frequency range (fOSC: 10 to 500kHz)
• Output ON/OFF control function
• Not many external discrete components are needed
1
8
5.0^±0.1
s Applications
• Battery power supply (two, 1.5V batteries) for portable
0.6
equipment
+0.08
0.24 ^–0.07
0.65
s Block diagram
SSOP-16
16
9
Pin Pin
No. symbol
Description
1 VCC2
IC main power supply
2 CT
Oscillator timing capacitor
3 IN2 (+) Non-inverting input to error
amplifier
4 IN2 (–) Inverting input to error amplifier
5 FB2
Error amplifier output
6 DT2
Dead time adjustment
7 OUT2 CH. 2 Output
8 GND
Ground
9 OUT1 CH. 1 Output
10 DT1
Dead time adjustment
11 FB1
Error amplifier output
12 IN1 (–) Inverting input to error amplifier
13 CST
Start-up circuit timing capacitor
14 VCC1
Start-up circuit power supply
15 ON/OFF Output ON/OFF control
16 REF
Reference voltage output (1.20V)
1
6.2
8
0.6
0.3
0.65
DIP-16
16
9
1
19.4
8
0.81
1.5
2.54^±0.25
0.5^±0.1
7.6
0~15˚
0.3^{+–00.1.05}
0~15˚
1